#include "TD6650TTuner.h"
#include "IicComm.h"

#if NIMTN_TYPE==NIMTN_TD6650T
int TD6650TSendFreq(unsigned long ulFrequency,CHANNEL_TABLE_TYPE iChannelTable,TYPE_TD6650T_REF_DIVIDER_RATIO iReferenceDividerRatio,TYPE_TD6650T_AGC_TOP iAGCTakeOverPoint, TYPE_TD6650T_ATC iAtc)
{
	unsigned char Db1=0;
	unsigned char Db2=0;
	unsigned char Cb1b=0xc0;
	unsigned char Cb1a=0x80;
	unsigned char Cb2=0;
	


	if(FALSE == TD6650TSetN(ulFrequency,iReferenceDividerRatio,&Db1,&Db2))
		return TD6650T_FREQUENCY_VALUE_OUT_OF_RANGE;

	TD6650TSetCB2(ulFrequency,&Cb2) ;
	TD6650TSetStepSize(iReferenceDividerRatio,&Cb1b) ;
	TD6650TSetAGCTop(iAGCTakeOverPoint,&Cb1a) ;
	TD6650TSetATC( iAtc,&Cb1a ); 
	return TD6650TSendControlData(Db1,Db2,Cb1b,Cb2,Cb1a);
}


int TD6650TSendPicCarrier(unsigned long ulFrequency,CHANNEL_TABLE_TYPE iChannelTable,TYPE_TD6650T_REF_DIVIDER_RATIO iReferenceDividerRatio,TYPE_TD6650T_AGC_TOP iAGCTakeOverPoint, TYPE_TD6650T_ATC iAtc)
{
	return TD6650TSendFreq(ulFrequency  + 1750,iChannelTable,iReferenceDividerRatio,iAGCTakeOverPoint,iAtc);
}

int TD6650TSendChannel(unsigned int uiChannel,CHANNEL_TABLE_TYPE iChannelTable,TYPE_TD6650T_REF_DIVIDER_RATIO iReferenceDividerRatio,TYPE_TD6650T_AGC_TOP iAGCTakeOverPoint, TYPE_TD6650T_ATC iAtc)
{
	unsigned long ulFrequency = TunerTD6650TGetFrequency(uiChannel,iChannelTable);
	if(0 == ulFrequency)
		return TD6650T_CHANNEL_DOES_NOT_FIT_ANY_FREQUENCY;
	
	return TD6650TSendFreq(ulFrequency,iChannelTable,iReferenceDividerRatio,iAGCTakeOverPoint,iAtc);
}




unsigned int TD6650TSendControlData(unsigned char Db1,unsigned char Db2,unsigned char Cb1b,unsigned char Cb2,unsigned char Cb1a)
{
	unsigned char str[10];

	//open 2nd IIC channel	
	if( !TD6650TBeforeSendBytes())
		return TD6650T_BEFORE_SEND_BYTES_FAILED;

	str[0] = Db1;
	str[1] = Db2;	
	str[2] = Cb1b;
	str[3] = Cb2;
	str[4] = Cb1a;
	
	if (IicTransmit(TLSys_TunerDeviceAddress(I2CWRITE), str, 5)) {
		return TD6650T_SEND_CONTROL_DATA_FAILED;
	}
	
	
	//close 2nd IIC channel	
	if( !TD6650TAfterSendBytes())
		return TD6650T_AFTER_SEND_BYTES_FAILED;
	else
		return TD6650T_SUCCESS;

}


unsigned long TunerTD6650TGetFrequency(unsigned int uiChannelNumber,CHANNEL_TABLE_TYPE iChannelTable)
{
	unsigned long ulCenterFrequency = 0;
	if(NA_TERRESTRIAL ==  iChannelTable){//terrestrial
		if ((uiChannelNumber >= 2) && (uiChannelNumber <= 6)) {
			switch (uiChannelNumber) {
				case 2:
					ulCenterFrequency = 57;
					break;
				case 3:
					ulCenterFrequency = 63;
					break;
				case 4:
					ulCenterFrequency = 69;
					break;
				case 5:
					ulCenterFrequency = 79;
					break;
				case 6:
					ulCenterFrequency = 85;
					break;
			}
		}
		else if ((uiChannelNumber >= 7) && (uiChannelNumber <= 13)) {
			ulCenterFrequency = 174 + ((uiChannelNumber - 7) * 6) + 3; 
		}
		else if ((uiChannelNumber >= 14) && (uiChannelNumber <= 69)) {
			ulCenterFrequency = 470 + ((uiChannelNumber - 14) * 6) + 3; 
		}
		else{
			return 0;
		}
		return ulCenterFrequency*1000;
	}	
	else if(NA_CATV ==  iChannelTable){//CATV
		if ((uiChannelNumber >= 1) && (uiChannelNumber <= 6)) {
			switch (uiChannelNumber) {
				case 1:
					ulCenterFrequency = 75;
					break;
				case 2:
					ulCenterFrequency = 57;
					break;
				case 3:
					ulCenterFrequency = 63;
					break;
				case 4:
					ulCenterFrequency = 69;
					break;
				case 5:
					ulCenterFrequency = 79;
					break;
				case 6:
					ulCenterFrequency = 85;
					break;
			}
		}
		else if ((uiChannelNumber >= 95) && (uiChannelNumber <= 99)) {
			ulCenterFrequency = 90 + ((uiChannelNumber - 95) * 6) + 3; 
		}
		else if ((uiChannelNumber >= 7) && (uiChannelNumber <= 13)) {
			ulCenterFrequency = 174 + ((uiChannelNumber - 7) * 6) + 3; 
		}
		else if ((uiChannelNumber >= 14) && (uiChannelNumber <= 22)) {
			ulCenterFrequency = 120 + ((uiChannelNumber - 14) * 6) + 3; 
		}
		else if ((uiChannelNumber >= 23) && (uiChannelNumber <= 94)) {
			ulCenterFrequency = 216 + ((uiChannelNumber - 23) * 6) + 3; 
		}
		else if ((uiChannelNumber >= 100) && (uiChannelNumber <= 135)) {
			ulCenterFrequency = 648 + ((uiChannelNumber - 100) * 6) + 3; 
		}
		else{
			return 0;
		}
		return ulCenterFrequency*1000;
	}
	else if(IRC ==  iChannelTable){//IRC
		if ((uiChannelNumber >= 1) && (uiChannelNumber <= 6)) {
			switch (uiChannelNumber) {
				case 1:
					ulCenterFrequency = 75;
					break;
				case 2:
					ulCenterFrequency = 57;
					break;
				case 3:
					ulCenterFrequency = 63;
					break;
				case 4:
					ulCenterFrequency = 69;
					break;
				case 5:
					ulCenterFrequency = 81;
					break;
				case 6:
					ulCenterFrequency = 87;
					break;
			}
		}
		else if ((uiChannelNumber >= 95) && (uiChannelNumber <= 99)) {
			ulCenterFrequency = 90 + ((uiChannelNumber - 95) * 6) + 3; 
		}
		else if ((uiChannelNumber >= 7) && (uiChannelNumber <= 13)) {
			ulCenterFrequency = 174 + ((uiChannelNumber - 7) * 6) + 3; 
		}
		else if ((uiChannelNumber >= 14) && (uiChannelNumber <= 22)) {
			ulCenterFrequency = 120 + ((uiChannelNumber - 14) * 6) + 3; 
		}
		else if ((uiChannelNumber >= 23) && (uiChannelNumber <= 94)) {
			ulCenterFrequency = 216 + ((uiChannelNumber - 23) * 6) + 3; 
		}
		else if ((uiChannelNumber >= 100) && (uiChannelNumber <= 135)) {
			ulCenterFrequency = 648 + ((uiChannelNumber - 100) * 6) + 3; 
		}
		else{
			return 0;
		}
		return ulCenterFrequency * 1000;
	}

	else if(HRC ==  iChannelTable){//HRC
		if ((uiChannelNumber >= 1) && (uiChannelNumber <= 6)) {
			switch (uiChannelNumber) {
				case 1:
					ulCenterFrequency = 75000;
					break;
				case 2:
					ulCenterFrequency = 55753;
					break;
				case 3:
					ulCenterFrequency = 61753;
					break;
				case 4:
					ulCenterFrequency = 66753;
					break;
				case 5:
					ulCenterFrequency = 79754;
					break;
				case 6:
					ulCenterFrequency = 85754;
					break;
			}
		}
		else if ((uiChannelNumber >= 95) && (uiChannelNumber <= 99)) {
			ulCenterFrequency = (917545 + ((uiChannelNumber - 95) * 60003))/10; 
		}
		else if ((uiChannelNumber >= 7) && (uiChannelNumber <= 13)) {
			ulCenterFrequency = (1757587 + ((uiChannelNumber - 7) * 60003))/10; 
		}
		else if ((uiChannelNumber >= 14) && (uiChannelNumber <= 22)) {
			ulCenterFrequency = (1217560 + ((uiChannelNumber - 14) * 60003))/10; 
		}
		else if ((uiChannelNumber >= 23) && (uiChannelNumber <= 94)) {
			ulCenterFrequency = (2177608 + ((uiChannelNumber - 23) * 60003))/10; 
		}
		else if ((uiChannelNumber >= 100) && (uiChannelNumber <= 135)) {
			ulCenterFrequency = (6497824 + ((uiChannelNumber - 100) * 60003))/10; 
		}
		else{
			return 0;
		}

		return ulCenterFrequency;
	}
	else
		return 0;


}


void TD6650TSetStepSize(TYPE_TD6650T_REF_DIVIDER_RATIO iReferenceDividerRatio,unsigned char* pucCb1b) 
{
	if (TD6650T_REF_DIVIDER_RATIO_62_5 == iReferenceDividerRatio) {
		*pucCb1b |= 0;
	}
	else if (TD6650T_REF_DIVIDER_RATIO_142_86 == iReferenceDividerRatio) {
		*pucCb1b |= 1;
	}
	else if (TD6650T_REF_DIVIDER_RATIO_166_67 == iReferenceDividerRatio) {
		*pucCb1b |= 2;
	}
	else if (TD6650T_REF_DIVIDER_RATIO_50 == iReferenceDividerRatio) {
		*pucCb1b |= 3;
	}
	else if (TD6650T_REF_DIVIDER_RATIO_125 == iReferenceDividerRatio) {
		*pucCb1b |= 4;
	}
}


void TD6650TSetAGCTop(TYPE_TD6650T_AGC_TOP iAGCTakeOverPoint,unsigned char* pucCb1a) 
{
	if (TD6650T_AGC_TOP_124 == iAGCTakeOverPoint) {
		*pucCb1a |= 0;
	}
	else if (TD6650T_AGC_TOP_121 == iAGCTakeOverPoint) {
		*pucCb1a |= 1;
	}
	else if (TD6650T_AGC_TOP_118 == iAGCTakeOverPoint) {
		*pucCb1a |= 2;
	}
	else if (TD6650T_AGC_TOP_115 == iAGCTakeOverPoint) {
		*pucCb1a |= 3;
	}
	else if (TD6650T_AGC_TOP_112 == iAGCTakeOverPoint) {
		*pucCb1a |= 4;
	}
	else if (TD6650T_AGC_TOP_109 == iAGCTakeOverPoint) {
		*pucCb1a |= 5;
	}
}

void TD6650TSetATC(TYPE_TD6650T_ATC iAtc,unsigned char* pucCb1a ) 
{
	if (TD6650T_ATC_2_SEC == iAtc) {
		*pucCb1a &= 0xf7;
	}
	else if (TD6650T_ATC_50_MSEC == iAtc) {
		*pucCb1a |= 0x8;
	}
}




BOOLEAN TD6650TSetN(unsigned long ulFrequency,TYPE_TD6650T_REF_DIVIDER_RATIO iReferenceDividerRatio,	unsigned char* pucDb1,unsigned char* pucDb2)
{	
	unsigned short usNval,usMultiplier;
	
	switch(iReferenceDividerRatio){
	case TD6650T_REF_DIVIDER_RATIO_62_5:
		usMultiplier = 64;
		break;
	case TD6650T_REF_DIVIDER_RATIO_142_86:
		usMultiplier = 28;
		break;
	case TD6650T_REF_DIVIDER_RATIO_166_67:
		usMultiplier = 24;
		break;
	case TD6650T_REF_DIVIDER_RATIO_50:
		usMultiplier = 80;
		break;
	case TD6650T_REF_DIVIDER_RATIO_125:
		usMultiplier = 32;
		break;
	}
	
	
	// calc N
	usNval = (unsigned short)(((ulFrequency + TD6650T_F_IF)*usMultiplier)/4000);
	if(usNval > TD6650T_N_MAX){ 
		//max n in 14 bits
		usNval = usNval/2 ;
	}
	
	if (usNval == 0 || usNval >= TD6650T_N_MAX) { //15 bits
        return FALSE;
    }
	
	// clear N bits
	*pucDb1 = 0x00;
	*pucDb2 = 0x00;

	*pucDb2 = usNval & 0x00ff;
    *pucDb1 = (usNval & 0x07f00) >> 8;

	return TRUE;
}

void TD6650TSetCB2(unsigned long ulFrequency,unsigned char* pucCb2) 
{
	//Set CB2 Automatically according to the frequency
	//low
	*pucCb2 = 0;
	if(ulFrequency > 57000 && ulFrequency <= 120000){
		*pucCb2 = 0x41;
	}
	if(ulFrequency > 120000 && ulFrequency <= 150000){
		*pucCb2 = 0x61;
	}
	if(ulFrequency > 150000 && ulFrequency <= 174000){
		*pucCb2 = 0x81;
	}
	//Mid
	if(ulFrequency > 174000 && ulFrequency <= 350000){
		*pucCb2 = 0x62;
	}
	if(ulFrequency > 350000 && ulFrequency <= 470000){
		*pucCb2 = 0x82;
	}
	//high
	if(ulFrequency > 470000 && ulFrequency <= 650000){
		*pucCb2 = 0xa8;
	}
	if(ulFrequency > 650000 && ulFrequency <= 8644000){
		*pucCb2 = 0xc8;
	}
}




BOOLEAN TD6650TBeforeSendBytes()
{
	if(IIC_COM_SUCCESS != SendHostControl(0, 0))
		return FALSE;
	else
		return TRUE;
}

BOOLEAN TD6650TAfterSendBytes()
{
	if(IIC_COM_SUCCESS != SendHostControl(0x80, 0))
		return FALSE;
	else
		return TRUE;
}

#endif//#if NIMTN_TYPE==NIMTN_TD6650T